Update README.md

README.md

@@ -11,9 +11,11 @@ A knowledge graph of UK legislation, combining structural and free text informat
 The source code for building Lex Graph and a demo application can be found on the [GitHub repo](https://github.com/i-dot-ai/lex-graph/tree/main).
 
 ## Data
-The core data (edges and nodes) can be found in the zipped [core](core.zip) file.
+The core data (edges and nodes) can be found in the zipped [core](core.zip) file. This contains the graph structure and legislations text content as node features.
 
-Simplified edgelists in both csv and tsv format can be found in the [edgelists](edgelists.zip) file.
+Simplified edgelists in both csv and tsv format can be found in the [edgelists](edgelists.zip) file. This contains just the graph structure.
+
+Tiny samples of the edgelist and nodelist can be found in the [samples folder](samples).
 
 ## Limitations